Explanation

The three countries that have not signed the CTBT are:

• India
• North Korea
• Pakistan

These countries are also among the eight Annex 2 states that have not ratified the treaty.

 The United States was the first nation to sign the treaty.

Signatories:187

Ratifiers: 178

Additional information 

CTBT stands for Comprehensive Nuclear-Test-Ban Treaty 

It's a multilateral treaty to ban nuclear weapons test explosions for both civilian and military purposes

Signed: 24 September 1996

Languages (6)

1. Arabic
2. Chinese
3. English
4. French
5. Russian
6. Spanish

Explanation

The meeting has been put off until next week.

"Put off" is a phrasal verb that means to postpone or delay something.

Explanation

We reached at the station just in time.

ہم عین وقت پر اسٹیشن پہنچ گئے۔

The preposition "at" is used to indicate a specific location, in this case, the station.  

Explanation

Turn down the music! It’s too loud.

موسیقی کو ٹھکرا دو! یہ بہت بلند ہے۔

The sentence says "It’s too loud", so the speaker wants the volume to be reduced.

The phrasal verb "turn down" means to reduce the volume or intensity of something.

Explanation

The plane takes off at 9 am.

طیارہ صبح 9 بجے ٹیک آف کرتا ہے۔

The sentence uses "at 9 am", which suggests a scheduled or regular event.

"Takes off" is the simple present form of the phrasal verb "take off" (meaning: to leave the ground / start flying).

Explanation

The correct preposition to use with "allergic" is "to".

She is allergic to cats.

اسے بلیوں سے الرجی ہے۔

Explanation

 She takes after her grandmother.

وہ اپنی دادی کے پیچھے لگتی ہے۔

"Takes after" means to resemble a family member in appearance or behavior.

The sentence says both have the same nose — a physical resemblance.

Explanation

He was accused of stealing the pen.

اس پر قلم چرانے کا الزام تھا۔

The correct preposition after "accused" is always "of" when followed by a verb in -ing form.

Explanation

Pakistan: A Hard Country of Anatol Lieven was published in 2011

Anatol Lieven belongs: British

 It was first published in 2011. 

Explanation

He gave up smoking last year.

اس نے پچھلے سال سگریٹ نوشی ترک کر دی تھی۔

The phrase "last year" indicates a past action

The correct past tense of "give up" is "gave up"